23340242 has 4 divisors (see below), whose sum is σ = 35010366. Its totient is φ = 11670120.

The previous prime is 23340211. The next prime is 23340259. The reversal of 23340242 is 24204332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23338561 + 1681 = 4831^2 + 41^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5835059 + ... + 5835062.

Almost surely, 2^23340242 is an apocalyptic number.

23340242 is a deficient number, since it is larger than the sum of its proper divisors (11670124).

23340242 is a wasteful number, since it uses less digits than its factorization.

23340242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11670123.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 23340242 is about 4831.1739774096. The cubic root of 23340242 is about 285.7821625162.

Adding to 23340242 its reverse (24204332), we get a palindrome (47544574).

The spelling of 23340242 in words is "twenty-three million, three hundred forty thousand, two hundred forty-two".